Common Weakness Enumeration

CWE-401

Allowed

Missing Release of Memory after Effective Lifetime

Abstraction: Variant · Status: Draft

API response cwe.mitre.org

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

2002 vulnerabilities reference this CWE, most recent first.

CVE-2021-20212 (GCVE-0-2021-20212)

Vulnerability from cvelistv5 – Published: 2021-03-25 18:57 – Updated: 2024-08-03 17:30
VLAI
Summary
A flaw was found in Privoxy in versions before 3.0.29. Memory leak if multiple filters are executed and the last one is skipped due to a pcre error leading to a system crash.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a privoxy Affected: Privoxy 3.0.29
Show details on NVD website
To clipboard 

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CVE-2021-20211 (GCVE-0-2021-20211)

Vulnerability from cvelistv5 – Published: 2021-03-25 18:57 – Updated: 2024-08-03 17:30
VLAI
Summary
A flaw was found in Privoxy in versions before 3.0.29. Memory leak when client tags are active can cause a system crash.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a privoxy Affected: Privoxy 3.0.29
Show details on NVD website
To clipboard 

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CVE-2021-20210 (GCVE-0-2021-20210)

Vulnerability from cvelistv5 – Published: 2021-03-25 18:57 – Updated: 2024-08-03 17:30
VLAI
Summary
A flaw was found in Privoxy in versions before 3.0.29. Memory leak in the show-status CGI handler when no filter files are configured can lead to a system crash.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a privoxy Affected: Privoxy 3.0.29
Show details on NVD website
To clipboard 

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CVE-2021-20209 (GCVE-0-2021-20209)

Vulnerability from cvelistv5 – Published: 2021-05-25 19:34 – Updated: 2024-08-03 17:30
VLAI
Summary
A memory leak vulnerability was found in Privoxy before 3.0.29 in the show-status CGI handler when no action files are configured.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a privoxy Affected: before 3.0.29
Show details on NVD website
To clipboard 

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CVE-2021-20193 (GCVE-0-2021-20193)

Vulnerability from cvelistv5 – Published: 2021-03-26 16:41 – Updated: 2024-08-03 17:30
VLAI
Summary
A flaw was found in the src/list.c of tar 1.33 and earlier. This flaw allows an attacker who can submit a crafted input file to tar to cause uncontrolled consumption of memory. The highest threat from this vulnerability is to system availability.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a tar Affected: 1.33 and earlier
Show details on NVD website
To clipboard 

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CVE-2021-4213 (GCVE-0-2021-4213)

Vulnerability from cvelistv5 – Published: 2022-08-24 15:07 – Updated: 2024-08-03 17:16
VLAI
Summary
A flaw was found in JSS, where it did not properly free up all memory. Over time, the wasted memory builds up in the server memory, saturating the server’s RAM. This flaw allows an attacker to force the invocation of an out-of-memory process, causing a denial of service.
Severity
No CVSS data available.
CWE
  • CWE-401 - - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
n/a JSS Affected: Fixed in v5.2.0-beta1
Show details on NVD website
To clipboard 

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CVE-2021-3905 (GCVE-0-2021-3905)

Vulnerability from cvelistv5 – Published: 2022-08-23 00:00 – Updated: 2024-08-03 17:09
VLAI
Summary
A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments.
Severity
No CVSS data available.
CWE
  • CWE-401 - - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
n/a openvswitch (ovs) Affected: Fixed in v2.17.0
Show details on NVD website
To clipboard 

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CVE-2021-3744 (GCVE-0-2021-3744)

Vulnerability from cvelistv5 – Published: 2022-03-04 15:55 – Updated: 2024-08-03 17:01
VLAI
Summary
A memory leak flaw was found in the Linux kernel in the ccp_run_aes_gcm_cmd() function in drivers/crypto/ccp/ccp-ops.c, which allows attackers to cause a denial of service (memory consumption). This vulnerability is similar with the older CVE-2019-18808.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: Fixed in v5.15-rc4 and above.
Show details on NVD website
To clipboard 

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CVE-2021-3574 (GCVE-0-2021-3574)

Vulnerability from cvelistv5 – Published: 2022-08-26 00:00 – Updated: 2024-08-03 17:01
VLAI
Summary
A vulnerability was found in ImageMagick-7.0.11-5, where executing a crafted file with the convert command, ASAN detects memory leaks.
Severity
No CVSS data available.
CWE
  • CWE-401 - - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
n/a ImageMagick Affected: Fixed in ImageMagick-7.0.11-8, ImageMagick-6.9.12-8
Show details on NVD website
To clipboard 

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CVE-2021-3544 (GCVE-0-2021-3544)

Vulnerability from cvelistv5 – Published: 2021-06-02 13:30 – Updated: 2024-08-03 17:01
VLAI
Summary
Several memory leaks were found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. They exist in contrib/vhost-user-gpu/vhost-user-gpu.c and contrib/vhost-user-gpu/virgl.c due to improper release of memory (i.e., free) after effective lifetime.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a QEMU Affected: All QEMU versions up to and including 6.0
Show details on NVD website
To clipboard 

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Mitigation MIT-41
Implementation

Strategy: Libraries or Frameworks

  • Choose a language or tool that provides automatic memory management, or makes manual memory management less error-prone.
  • For example, glibc in Linux provides protection against free of invalid pointers.
  • When using Xcode to target OS X or iOS, enable automatic reference counting (ARC) [REF-391].
  • To help correctly and consistently manage memory when programming in C++, consider using a smart pointer class such as std::auto_ptr (defined by ISO/IEC ISO/IEC 14882:2003), std::shared_ptr and std::unique_ptr (specified by an upcoming revision of the C++ standard, informally referred to as C++ 1x), or equivalent solutions such as Boost.
Mitigation
Architecture and Design

Use an abstraction library to abstract away risky APIs. Not a complete solution.

Mitigation
Architecture and Design Build and Compilation

Consider using the Boehm-Demers-Weiser garbage collector (bdwgc), which can help avoid leaks.

No CAPEC attack patterns related to this CWE.

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